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A M1-HEBBES A (No Model.) v 2 SheensL-neet Y P. MAUSBR.'

BREBGH LOADING FIRE ARM. n No. 249,967. l Y Patented Nov. 22,1881.-

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UNITED STATES PAUL MAUSER, OF OBERNDORF-ON-THE-NECKAR, WRTEMBERG, GERMANY.

PATENT OFFICE.

BREECH-LOADYING FIRE-ARM.

SPECIFICATION forming part of Letters Patent No. 249,967, dated November 22, 1881.

Application flledAugust 20, 1881.

(No model.) Patented in Germany January 22, 1880, in Belgium January 29, 1850, and in Austria-Hungary J nly 9, 1880.

To all whom it may concern:

Beit known that I, PAUL MAUsER, a citizen of Germany, fire-arms manufactured,residing at Oberndorf-m1-the-Neckar, in the Kingdom of Wrtemberg, in the German Empire, have invented certain Improvementsin Breech-LoadingFire-Arms,of which the following is aspecication.

The invention is intended more particularly for that class of breechloadin g lire-arms manufaotured by me, and which are known by the name of Mauser577 but it may be used also on breech-loading arms of other styles havinga general similarity in character.

The improvements relate to the means. for cooking and firing and for expelling the ex- Y* ploded shells.

The accompanying drawings forma part of this specification, and represent what'l consid'- er the best means of carrying ont the inven tion.

Thedrawings represent the novel parts,with so much of the ordinary parts as will serve to show their relation thereto.

Figure l is a vertical longitudinal section. Fig. 2 is a cross-section on the line X Y in Fig. 1. Fig. 3 is a plan View of a portion detached. Fig. 4 is a side view of a portion. Fig. 5 is a plan view, partly in section. Figs. 6 and 7 are crosssections through the breech-piece and through a certain adjustable part at the side,

11, cross-sections. Fig. 10 shows the parts ad-V justed for throwing out the cartridge-shell, and Fig. l1 the parts adjusted to be of no et'- fect. Figs. 12 to 15 are .corresponding views representing still another modification of the cartridge-extractor.

Similar letters of reference indicate correspondin g parts wherever they-occur.

cal part a at the rear isY fitted closelyin a cor- Fig. 2.

responding hole in the small lock or stout locking-piece B. The shoulder b, where the thick part of A unites with the thin portion, is conical. The hole in the small lock B is correspondingly formed. A stontnut, C, unites the tiring-pinA and the small lock B. It; is formed with ano'se,p, which, when the gun is worked, slides in a longitudinal groove, c, inthe interior of the breech-piece E. The locking-piece or small lock B has also a nose, n, sliding in the same groove c, and serving as a stop to engage with the trigger-catch H and hold the firing-piece in the locked condition until the latter is depressed by pulling the trigger, as

will be understood. By means of these two nosesp and na reliable guide is obtained for preventing the turning ot' the parts B C, and the nut C is prevented from working loose or unscrewing in the use of the gun. I employ what l term a safety-pin. The main body or head of this pin is marked d, and the enlargement or head D, and a hat thumb-piece, by which it may be turned, is marked d'. This safety-pin lies near the ring-pin A and parallel to it. A portion of the body ofthe pin el is cut away on one side, as indicated in Fig. 1. A portion of the head D is also cut away, as indicated in y It will be understood that after a cartridge has been introduced in the piece and 'secured by moving forward and partially rotating the bolt sfin the ordinary manner, the firing-pin A and its immediate attachmentsB .C D are left behind, ready to eii'ect the discharge of the cartridge on their being suddenly `released and'thrown forward by the spiral When it is desired'to hold the improved' IOO and its attachments cannot move forward, be-A cause the safety-pin D d engages firmly by its end against the chambered piece S and prevents any motion. Before the piece can be fired thesaf'ety-pin must be again turned back into the position shown in Figs. 1 and 2, so that the cut-away portion of the body d will vbe presented toward the chambered piece S,

and the remaining half-round portion of the pin will be out of' engagement therewith. The safety-pin also serves an important use in keeping the nutC in place when the whole lock is removed from the breech-piece E f'or cleaning or repairs. The safety-pin is kept in close contact vwith the nut G by the force of the spiral spring d2, wound around the bod y of `the pin. `This forces the head D into a corresponding recess of the nut C, and prevents .thenut C from being turned relatively tothe other-parts so long as the safetypin remains inthat position. Whenever it is required to unscrew the nut (l from the firing-pin A, vthe safety-pin must be pressed in soas to compress the spiral spring d2 and move the head out of the recess in C; then the latter may be turned at will by any suitable wrench.

.The invention relieves the tiring-bolt A from i undue friction, and the spiral spring driving it maybe lighter than is usually employed. On the opening of the breech I withdraw and throw eutrthe cartridge-shell. y

Referring to Fig. 1, G is a long arm, made in one with the trigger-catch H, and having its forward end turned up sharply, as indicated by g. 'It is mounted on the spring-J by the pivot z, on which it can turn a little. The trigger-catch H stands in one hole in the breechpiece E, and the upturned nose g in another hole considerably forward-thereof. rllhe lat- Lter is under where the withdrawn shell will f aperture and throw out the shell lying above it.

' The modifications shown in the succeeding figures may for some reasons be preferred;

` Referring to Figs. 4, 5, 6, and 7,'t-he shellextractor fis made to throw out the shell by the concussion induced by striking the stop h` when the breech is fully opened. The pin H is arranged onA one end of a slightly-turned piece, h', attached to the outside of the breechpiece E by means of a screw, i. On the free end of this -piece h is an arm, h, extending inward through a slot, as shown. When this piece h', with its stop or arm h, is depressed in the position shown inl Figs. 4 and 6, the stop h will meet the extractor f and induce the desired concussion, with the effect to throw out the shell. When, on the contrary, the piece h', with its stop `h, is raised, it is of no effect, and the cartridge-shell or the unfired cartridge may be withdrawn without being thrown out ot' the piece. A slight modification of thisconstruction is shown in Figs. 12, 13, 14, and 15.

Figs. 8, 9, 10, and 11 show how a simple screw-pin, h, may be made to serve in a correspondingnianner. When this pin is screwed in, as shown in Figs-.9, 10, the point of the screw stands in the path of the eXtractorf and induces the desired shock. When, on the contrary, the screw h is turned to partially withdraw it, as indicated in Fig. 1l, the point of the screw is ont ot' the path and the shell or cartridge will not be thrown out.

Whenever it is desired to remove the lock entirely from the breech-piece the stop h must be moved ont of the way.

Modifications may be made in the fornisand proportions of many of the details without departing from the principle or sacrificing all the advantages of the invention. Y

What I claim as the present improvement in breech-loading fire-arms is- 1. The locking-piece or small lock B, in combination with the tiring-pin A, having the conical shoulder b, and with the nut C, arranged for joint operation as herein specified.

2. The nut C, formed with the nose p, in combination with the breech-piece E, having the grouse e, and with the locking-piece B and firing-pin A, having 'the shoulder b, as herein specified.

3. The safety-pin D d and operating-spring d2, in combination with the firing-pin A, the locking-piece or small lock B, and with the nut C, recessed to receive a portion ofthe safetypin, as herein specified.

4. The nose n of the small lock B, in combination with the nose p of the nut O, and with the breech-piece E, having the groove c, as shown and described, and for the purposes explained.

5. In combination with the bolt S, havingl the groove t, the lever Gg H, turning on the pivotz in the spring J, discharging the gun by the action of the trigger, and throwing out the shell by the action of' the bolt, as herein specified.

This specification signed by me this 20th day of'July, 1881.

, PAUL MAUsER.

i I' Witnesses:

. OSCAR G. RUH, f

Mrs. I. M. ELKIN.

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